https://www.google.com/search?site=&tbm=isch&source=hp&biw=1424&bih=1153&q=neck+retraction+taping&oq=neck+retraction+taping&gs_l=img.3..0i24.269.6429.0.6518.22.

https://www.google.com/search?site=&tbm=isch&source=hp&biw=1424&bih=1153&q=neck+retraction+taping&oq=neck+retraction+taping&gs_l=img.3..0i24.269.6429.0.6518.22.14.2.5.4.0.459.1698.7j6j4-1.14.0....0...1ac.1.64.img..1.18.1551.3k1BS-tqWoA https://www.google.com/search?site=&tbm=isch&source=hp&biw=1... Basically- taping your back so that you know when you're leaning fwd.